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Kitchen stirring crane

3D model description

#STARTCULTS

Greetings to all,

I am a foodie and love hot soups, gravy, custard and more, but for that either my wife or I am spending a lot of time stirring or whisking for hours. I wanted to take it as a challenge, to make a cost effective design, which is scalable, not mounted above the vessel or taking huge floor / kitchen platform space and does not require us to handle it or supervise. So I have designed and printed a concept, which works great, it gives a motion like with a Spirograph.

The design has many components and would require a large printer (12 inch x 12 inch x 12 inch print capacity). The design is only for stirring, mixing or whisking liquids like soups, gravy, custard and not for really thick fluid or solids (if you want to use for it, you will require to make the design stronger and have a heavy motor)

I am using two geared motors. Gear ratio of 15:1 for whisk and gear ratio of 100:1 for mechanism, both are rated 6 - 12 V. AC to DC adapter, connecting pin, wire, Switches and potentiometer (variable resister rheostat) to connect and control motor (refer attached pictures). A spring which I got from old broken umbrella and a bearing from figit spinner is also used. I am not sure if you can get the parts (motor, switches, others) just like I have used, so for that you have to customize this design.

Note: It is essential to have some weight on the machine base, like I have glass of water (have a bigger and heavier glass). The height adjustment should be done on the vertical links, the 3D printed screw on the base is for minor adjustment (0 to 1 inch). Use a light weight whisk.

Please refer attached 3D assembly STL file, feel free to contact me if you need help.

3D printing settings

I have used PLA, ABS is better.
0.1 to 0.2 mm layer height.
All parts 100% infill (solid) especially gear parts, exception the long links and whisk motor mount should be 1 to 2 mm shell thickness and 20% infill, to keep it as light as possible.

  • 3D model format: STL

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License

CC BY

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